“…According to several recent reviews [42,63], some of the dominant research themes in this area revolve around the roles of different senior executives (both as individuals and collectively) within IT leadership. For example, the nature of the CIO's role (e.g., duties, expectations, obligations) has been studied in some depth [1,4,17,27,29,61,80], as well as the corresponding roles of the CEO and the ''top management team'' [16,40,42,56]. Other works have begun to explore the interactions and relationships between these key players, as well as the collective knowledge and expertise they hold [16,18,19,63,64,89].…”